Pen



1. Pen

1.1 is a front perspective view of pen showing my new design;

1.2 is a right side view thereof;

1.3 is a left side view thereof;

1.4 is a front view thereof;

1.5 is a back view thereof;

1.6 is a bottom view thereof; and

1.7 is a top view thereof. 

CLAIM The ornamental design for a pen, as shown and described. 